Joe MacGregor on Mapping the Geology of Greenland Below the Ice
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Joe MacGregor on Mapping the Geology of Greenland Below the Ice
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With most of Greenland buried by kilometers of ice, obtaining direct information about its geology is challenging. But we can learn a lot from measurements of the island’s geophysical properties — seismic, gravity, magnetic from airborne and satellite surveys and from its topography, which we can see relatively well through the ice using radar. In the podcast, Joe MacGregor explains how he created a new map of Greenland’s geology and speculates on what we can learn from it.
MacGregor is a Research Physical Scientist at NASA’s Goddard Space Flight Center.
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